<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>PHP String Functions</title>
</head>
<body>
    <h1>PHP String Functions</h1>
    <div>
        <h3>The PHP strlen()</h3>
        <?php
        echo(strlen("Hello world!"));
        ?>
    </div>
    <div>
        <h3>The PHP strpos()</h3>
        <?php
        var_dump(strpos("Hello world!","world"));
        var_dump(strpos("Hello world","lala"));
        ?>
    </div>
</body>
</html>